Engineering work is taking place between Hertford North and Letchworth Garden City / Biggleswade, closing all lines late on Sunday night.
From approximately 22:45 on Sunday evening until the end of service, buses replace trains between Hertford North and Stevenage, and between Stevenage and Letchworth Garden City / Biggleswade.
Check before you travel:
You can plan your journey using the National Rail Enquiries Journey Planner
Replacement Bus Travel Advice:
For helpful advice if you need to travel on a rail replacement service, including accessibility and bicycle information, please use our Rail Replacement Services page.
You can find the pick-up and set-down location of rail replacement services by checking station signage or by searching for your station on our Find a Station page.
Please be advised that replacement vehicles may be busier than usual, and you should allow extra time for your journey.